P179B Chevrolet Code - Transmission Range State Command Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P179B Chevrolet indicates Transmission Range State Command Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P179B Chevrolet Description
What are the Possible Causes of the DTC P179B Chevrolet?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC P179B Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P179B Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Need Help with the Code?
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Information for Specific Chevrolet Models
- P179B 2014 Chevrolet Silverado — Transmission Range State Command Signal Message Counter Incorrect
- P179B 2015 Chevrolet Silverado — Transmission Range State Command Signal Message Counter Incorrect
- P179B 2016 Chevrolet Silverado — Transmission Range State Command Signal Message Counter Incorrect
- P179B 2017 Chevrolet Silverado — Transmission Range State Command Signal Message Counter Incorrect
- P179B 2018 Chevrolet Silverado — Transmission Range State Command Signal Message Counter Incorrect
Frequently Asked Questions about P179B Chevrolet Code
1. What are the common symptoms of OBDII code P179B in a Chevrolet related to the Transmission Range State Command Signal Message Counter Incorrect?
- Common symptoms may include erratic shifting behavior, transmission slipping, and the vehicle going into limp mode.
2. What can cause the OBDII code P179B to trigger in a Chevrolet?
- The code P179B may be triggered by issues such as faulty transmission range sensor, damaged wiring or connectors in the transmission circuit, or a software glitch in the transmission control module.
3. How serious is the OBDII code P179B in a Chevrolet?
- The code P179B should be addressed promptly as it can lead to drivability issues and potentially cause further damage to the transmission if left unresolved.
4. Can I continue driving my Chevrolet with the OBDII code P179B present?
- It is not recommended to continue driving the vehicle with the code P179B as it can cause further damage to the transmission and compromise safety.
5. How can the OBDII code P179B in a Chevrolet be diagnosed?
- Diagnosis typically involves using a scan tool to retrieve the code and then performing a thorough inspection of the transmission range sensor, wiring, and connectors to identify the root cause.
6. What are some repair tips for addressing the OBDII code P179B in a Chevrolet?
- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the transmission range sensor if faulty, and performing a software update on the transmission control module.
7. Can I reset the OBDII code P179B in a Chevrolet myself?
- While you can clear the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.
8. Is the OBDII code P179B covered under Chevrolet's warranty?
- The coverage of the OBDII code P179B under warranty may vary depending on the vehicle's age, mileage, and warranty status. It is recommended to consult your Chevrolet dealership for specific information.
9. How much does it cost to repair the OBDII code P179B in a Chevrolet?
- Repair costs for the OBDII code P179B can vary depending on the underlying issue and the required repairs. It is advisable to obtain a diagnosis from a qualified mechanic for an accurate estimate.
10. Are there any preventive measures to avoid the OBDII code P179B in a Chevrolet?
- Regular maintenance, such as checking and replacing transmission fluid at recommended intervals, can help prevent issues that may trigger the OBDII code P179B.
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